sys.user_token (Transact-SQL)

Returns one row for every database principal that is part of the user token.

Column name

Data type

Description

principal_id

int

ID of the principal. The value is unique within database.

sid

varbinary(85)

Security identifier of the principal if the principal is defined external to the database. For example, this can be a SQL Server login, Windows login, Windows Group login, or a login mapped to a certificate, otherwise, this value is NULL.

name

nvarchar (128)

Name of the principal. The value is unique within database.

type

nvarchar (128)

Description of principal type. All types are mapped to sid. The value can be one of the following:

SQL USER

WINDOWS LOGIN

WINDOWS GROUP

ROLE

APPLICATION ROLE

DATABASE ROLE

USER MAPPED TO CERTIFICATE

USER MAPPED TO ASYMMETRIC KEY

CERTIFICATE

ASYMMETRIC KEY

usage

nvarchar (128)

Indicates the principal participates in the evaluation of GRANT or DENY permissions, or serves as an authenticator.